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Finding the Fourth Proportional to 2,797.39, 4,195.85 and 717.46

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Solution

The fourth proportional to 2,797.39, 4,195.85 and 717.46 is: 1,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.39 : 4,195.85 = 717.46 : x
  2. Step 2: Convert to fraction form
    2,797.39/4,195.85 = 717.46/x
  3. Step 3: Cross multiply
    2,797.39x = 4,195.85 × 717.46
  4. Step 4: Simplify right side
    2,797.39x = 3,010,344.50
  5. Step 5: Solve for x
    x = 3,010,344.50/2,797.39
  6. Step 6: Final answer
    x = 1,076.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.